2008 Ford F450 Diesel Supplement 4th Printing - Page 39

2008 Ford F450 Manual

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Maintenance and Specifications 4. To install the cap, align the tabs on the cap with the notches on the filler pipe. 5. Turn the filler cap clockwise until a few clicks are heard. If the "Check Fuel Cap" message comes on and stays on after you start the engine, the fuel filler cap may not be properly installed. Turn off the engine, remove the fuel filler cap, align the cap properly and reinstall it. If you must replace the fuel filler cap, replace it with a fuel filler cap that is designed for your vehicle. The vehicle warranty may be void for any damage to the fuel tank or fuel system if the correct genuine Ford or Motorcraft fuel filler cap is not used. WARNING: The fuel system may be under pressure. If the fuel filler cap is venting vapor or if you hear a hissing sound, wait until it stops before completely removing the fuel filler cap. Otherwise, fuel may spray out and injure you or others. WARNING: If you do not use the proper fuel filler cap, excessive pressure or vacuum in the fuel tank may damage the fuel system or cause the fuel cap to disengage in a collision, which may result in possible personal injury. FUEL FILTER/WATER SEPARATOR Fuel Conditioner Module (FCM - E-Series) The vehicle is equipped with a Fuel Conditioning Module (FCM) located on the driver-side of the vehicle next to the transmission case. Water should be drained from the module assembly whenever the warning light comes on. The WATER IN FUEL light will come on when approximately 0.2 pints (100 cc) of water accumulates in the module. Horizontal Fuel Conditioner Module (HFCM - F-Super Duty) The vehicle is equipped with a Horizontal Fuel Conditioning Module (HFCM) located on the frame-rail under the driver-side floorboard near the transmission 39

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4. To install the cap, align the tabs on the cap with the notches on the
filler pipe.
5. Turn the filler cap clockwise until a few clicks are heard.
If the “Check Fuel Cap” message comes on and stays on after you start
the engine, the fuel filler cap may not be properly installed. Turn off the
engine, remove the fuel filler cap, align the cap properly and reinstall it.
If you must replace the fuel filler cap, replace it with a fuel filler
cap that is designed for your vehicle. The vehicle warranty may
be void for any damage to the fuel tank or fuel system if the
correct genuine Ford or Motorcraft fuel filler cap is not used.
WARNING:
The fuel system may be under pressure. If the fuel
filler cap is venting vapor or if you hear a hissing sound, wait
until it stops before completely removing the fuel filler cap. Otherwise,
fuel may spray out and injure you or others.
WARNING:
If you do not use the proper fuel filler cap,
excessive pressure or vacuum in the fuel tank may damage the
fuel system or cause the fuel cap to disengage in a collision, which may
result in possible personal injury.
FUEL FILTER/WATER SEPARATOR
Fuel Conditioner Module (FCM - E-Series)
The vehicle is equipped with a Fuel Conditioning Module (FCM) located
on the driver-side of the vehicle next to the transmission case.
Water should be drained from the
module assembly whenever the
warning light comes on. The WATER
IN FUEL light will come on when
approximately 0.2 pints (100 cc) of water accumulates in the module.
Horizontal Fuel Conditioner Module (HFCM - F-Super Duty)
The vehicle is equipped with a Horizontal Fuel Conditioning Module
(HFCM) located on the frame-rail under the driver-side floorboard near
the transmission
Maintenance and Specifications
39